Apparatus for converting heat energy to mechanical energy

Details Apparatus for converting heat energy to mechanical energy Apparatus for converting heat energy to mechanical energy

1975-09-04

1976-11-30

Ostrager, Allen M.

Power plants

Pressure fluid source and motor

60527, 417322, 417379, F03G 706

Patent

active

039941329

ABSTRACT:
Apparatus for converting heat derived from a heated fluid into mechanical energy comprising a double-walled shell having a high coefficient of thermal expansion and other preferred qualities, such as a relatively high coefficient of heat conductivity and low specific heat, the shell being immersed in a fluid within a container having a relatively low coefficient of thermal expansion and other qualities. When heated fluid is passed between the walls of the shell, expansion of the latter displaces fluid from within the container to actuate a fluid operated device. Alternatively, passage of a cold fluid between the walls of the shell causes the shell to contract and thus enable the displaced fluid to return into the container to complete an operating cycle.

REFERENCES:
patent: 2867224 (1959-01-01), Martiniak et al.
patent: 3150592 (1964-09-01), Stec
patent: 3418980 (1968-12-01), Benson
patent: 3768931 (1973-10-01), Willis, Jr.

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